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Pythagorean Identity Trigonometry Lesson Pack | High School Math Functions
📐 Unlocking the Pythagorean Identity: Complete LessonTake your Pre-Calculus or Algebra 2 students beyond simple memorization with this scaffolded, inquiry-based lesson packet. This resource guides students to discover the Pythagorean Identity (sin2θ+cos2θ=1) using the Unit Circle, visually prove it using geometry, and apply it to real-world engineering contexts. Stop lecturing to blank stares! This packet uses a "Think-Aloud" approach and guided inquiry to help students derive the math the
9th - 12th, Higher Education
Algebra 2, Math Test Prep, PreCalculus
CCSS
HSF-TF.C.8
Color Unit Circle with ALL of the Details
Download this color unit circle for your students. The colorful representation will enable them to make connections between reference angles and their coordinates. All reference angles (in radians and in degrees) and ordered pairs are labeled. The triangles are color coded with their descriptive information. Desmos was used to draw the basic circle and triangles. The labels on the angles were added using Word.
9th - 12th, Adult Education, Higher Education
Algebra 2, Other (Math), PreCalculus
CCSS
HSF-TF.A.2
, HSF-TF.A.3
, HSF-TF.A.4
+3
AP Precalculus Exam Format & Strategy Guide
A student-friendly one-page infographic that breaks down the AP Precalculus exam format, timing, calculator rules, tested units, and practical test-day strategies. Includes clear guidance on the multiple-choice and free-response sections, what content is assessed, and AP Precalculus-specific tips for modeling, graphing, and communicating reasoning.
10th - 12th, Higher Education
PreCalculus
Quadratic Function Poster
Quite possibly the only Quadratic poster you will ever need! This poster demonstrates the relationship between the quadratic formula, a general quadratic function, and its graph. Simple, comprehensive, and well-structured, this visual organizes what information is sought with quadratic functions and how to do it. This is designed for to be printed up to 20" x 30" resolution for easy viewing from across any class room.
7th - 12th, Higher Education
Algebra 2, Math, PreCalculus
CCSS
HSA-SSE.B.3
, HSA-CED.A.1
, HSA-REI.B.4
+3
Factoring (JPG)
Factoring, Perfect Square Trinomials, Difference of 2 Squares, Sum and Difference of 2 Cubes, Distributive Property, Quadratic Formula, Binomial Expansion, Pascal's Triangle.
8th - 12th, Adult Education, Higher Education
Algebra 2, Math Test Prep, PreCalculus
Vectors (JPG)
Vectors, Addition, Dot Product, Cross Product, Projection.
8th - 12th, Adult Education, Higher Education
Algebra 2, Math, PreCalculus
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